The invention relates to a field multifunctional GPRS emergency broadcasting and alarming system integrating field environment monitoring, monitoring and pre-warning. The system comprises a power supply module, a central processor, a GSM voice wireless receiving and spreading module, an GPRS module, a meteorological monitoring module, a pre-warning module and a remote monitoring module. The system has the advantages that the system is based on a new emergency broadcasting system of a mobile communication platform, and the system integrates functional modules such as an on-site emergency broadcasting module, a meteorological environment monitoring module, a fireproof pre-warning module and a remote monitoring module and is widely applicable to noon harvesting wheat trashing floor fireproofing, forest fireproof pre-warning, environmental detection, draught resisting and flood prevention, and emergency broadcasting of emergency accidents; the system adopts a modular design, bus control is used between each module and the central processor, each module is connected with the central processor through a plug-in port, convenient plug in and plug out are achieved, a user can customize different functional modules, the different functional modules can be applied to different areas, the system can be conveniently applied to various fields, different emergency functions can be achieved, and convenience in demounting and moving is achieved by the modular design.